CN113367893A - Punching and adsorbing process for soft foam core of liquid sanitary towel - Google Patents

Punching and adsorbing process for soft foam core of liquid sanitary towel Download PDF

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Publication number
CN113367893A
CN113367893A CN202110584771.XA CN202110584771A CN113367893A CN 113367893 A CN113367893 A CN 113367893A CN 202110584771 A CN202110584771 A CN 202110584771A CN 113367893 A CN113367893 A CN 113367893A
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China
Prior art keywords
punching
roller
core body
adsorption
absorption core
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CN202110584771.XA
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CN113367893B (en
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肖德清
李士忠
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Hengan Fujian Holding Group Co Ltd
Fujian Hengan Household Life Article Co Ltd
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Hengan Fujian Holding Group Co Ltd
Fujian Hengan Household Life Article Co Ltd
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/15577—Apparatus or processes for manufacturing
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium

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  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Vascular Medicine (AREA)
  • Epidemiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Manufacturing & Machinery (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Absorbent Articles And Supports Therefor (AREA)

Abstract

The invention relates to a punching and adsorbing process of a soft foam core of a liquid sanitary towel, wherein a production device of an absorption core comprises a rack, a blanking device, a pressing device, a punching device, an adjusting device, a driving device and a cutting roller device which are sequentially arranged on the rack, the punching device comprises a first rotating roller and a second rotating roller which are rotatably and correspondingly arranged on the rack, an adsorption cavity is arranged in the middle of the first rotating roller, one end of the first rotating roller is connected with a rotating joint, the rotating joint is connected with an adsorbing device, at least one punching area is arranged on the first rotating roller, and a plurality of cutters are arranged on the punching area. The invention relates to the field of disposable sanitary products, and discloses a punching device for an absorbent core.

Description

Punching and adsorbing process for soft foam core of liquid sanitary towel
Technical Field
The invention relates to the field of disposable sanitary products, in particular to a punching and adsorbing process of a soft foam core body of a liquid sanitary towel.
Background
The prior sanitary towel absorption core body mainly comprises wood pulp, non-woven fabric, toilet paper and high polymer. Has the traditional problems of easy deformation, limited absorption amount, high square gram weight, large density, poor softness, poor touch feeling with human bodies and the like. Some absorption cores are provided with a plurality of pressure holes, which can not only enhance the flexibility of the absorption core, but also enhance the speed of the absorption liquid of the absorption core, the equipment for pressing the holes usually adopts two pressure rollers, the absorption core is perforated by a cutter on the pressure rollers, however, after the holes are punched, the excess material is separated from the absorption core, the excess material is remained on the equipment or the absorption core, which not only affects the production environment and easily causes the damage of the equipment, but also the excess material remained on the absorption core affects the quality of the absorption core, and because of the vibration of the equipment or the wood pulp conveying speed and other factors, when the tension of the absorption core is too large, the absorption core is elongated in the conveying process, which may cause the thickness of the absorption core to be smaller, after the absorption core is cut into sheets and recovered, the depth of the holes is larger than the set value, otherwise, when the tension of the absorption core is too small, the depth of the holes is smaller than the set value, the quality of the absorption core body is influenced, and the punching efficiency is low.
Chinese patent application No.: 201921425285.8, discloses a high molecular absorption core of sanitary towel and its special hole-opening device, the high molecular absorption core of sanitary towel comprises a core body, the core body comprises fluff pulp and a coating layer coated outside the fluff pulp, the fluff pulp is mixed with high molecular absorption resin, the core body is provided with a core hole through the hole-opening device, the core body can keep enough absorption capacity, the air permeability is greatly enhanced, simultaneously the liquid absorption can be accelerated, the side leakage risk of the sanitary towel is reduced, and the hole-opening device can open holes on a large batch of absorption cores, the patent also provides the special hole-opening device of the absorption core, which comprises a base and a frame arranged on the base, the frame is provided with a hole-opening primary and secondary roller, the hole-opening primary and secondary roller comprises a primary roller and a secondary roller which are independently driven and oppositely rotated, the primary roller comprises a tubular secondary roller body and a secondary rotating shaft which runs through the secondary roller body, the roll surface of son roll body is followed a plurality of trompil posts of evenly having arranged of the circumference direction of son roll body, female roller includes cast female roll body and runs through the female pivot of female roll body, the roll surface of female roll body be provided with the corresponding trompil groove of trompil post, son pivot and synchromesh gear is all installed to the end of female pivot. However, when the core body is opened, the excess material is separated from the core body, and the excess material is remained on the equipment or the core body, which not only affects the production environment and easily causes the damage of the equipment, but also affects the quality of the core body, and due to the vibration of the equipment or the wood pulp conveying speed and other factors, the core hole may have deviation, which affects the quality of the core body, and the punching efficiency is low.
Disclosure of Invention
Therefore, in order to solve the problems, the invention provides a punching and adsorbing process for a soft foam core of a liquid sanitary towel. The punching device solves the technical problems that when the absorption core body is punched, the production environment is influenced by the excess material, the equipment is easily damaged, and the punching quality of the absorption core body is influenced.
In order to achieve the purpose, the invention adopts the following technical scheme:
a punching and adsorbing process for a soft foam core of a liquid sanitary towel comprises the following steps:
(1) manufacturing an absorption core body:
the driving device drives the high molecular carrier material to be conveyed, and the blanking device blanks the high molecular material onto the high molecular carrier material to form an absorption core body;
(2) and (3) pressing the absorption core body:
the formed absorption core body is clamped and conveyed between a first pressing roller and a second pressing roller of a pressing device, and the absorption core body is pressed into a flat state;
(3) punching of the absorption core:
the absorption core body is clamped and conveyed between the first rotating roller and the second rotating roller, a cutter in a punching area on the first rotating roller cuts and punches holes on the absorption core body, a plurality of pressure holes are formed on the absorption core body, the separated excess materials after cutting and punching enter the adsorption holes, the adsorption device provides negative pressure for the adsorption cavity, the excess materials are adsorbed to the adsorption cavity from the adsorption holes, and then the excess materials are discharged out of the adsorption cavity;
(4) adjusting the conveying speed of the polymer carrier material:
in the conveying process of the absorption core body, when the tension of the absorption core body is too large or small, the absorption core body pulls the lifting roller to move, the displacement sensor detects the position of the lifting roller and detects displacement deviation, the displacement sensor feeds the displacement deviation back to the system, the system controls and adjusts the speed of the driving device, the conveying speed of the high polymer carrier material is reduced or improved, and meanwhile, the speed of the cutting roller device is reduced or improved;
(5) cutting the absorbent core into pieces:
cutting the absorbent core into a sheet-like structure by means of a cutting roller device;
the production device of the absorption core body comprises a rack, a blanking device, a pressing device, a punching device, an adjusting device, a driving device and a cutting roller device which are sequentially arranged on the rack, wherein the punching device comprises a first rotating roller and a second rotating roller which are rotatably and correspondingly arranged on the rack, and a first driving mechanism for driving the first rotating roller and the second rotating roller to rotate; the adjusting device comprises a slide rail arranged on the rack, a lifting seat arranged on the slide rail in a liftable manner, a lifting roller rotatably arranged on the lifting seat, an elastic mechanism connected with the slide rail and the lifting seat, a displacement sensor arranged on the rack, and two positioning rollers respectively rotatably arranged on the rack, wherein the lifting roller and the positioning rollers form a triangle.
Further:
the frame is rotatably provided with a clearing device, the clearing device comprises a clearing roller and a second driving mechanism, the clearing roller and the second driving mechanism are rotatably arranged on the frame and drive the clearing roller in a transmission mode, a plurality of soft raised lines are arranged on the clearing roller, and the soft raised lines can be inserted into corresponding adsorption holes.
The flexible convex strips are of conical structures, and metal covers are arranged at the end parts of the flexible convex strips.
The radius of the bottom surface of the soft raised line is half of the minimum radius of the adsorption hole.
The aperture of the adsorption hole of the cutter is gradually increased along the direction of the adsorption cavity.
The first rotating roller is provided with a plurality of through holes, the cutter is detachably arranged on the through holes, the cutter comprises a cylindrical part fixed on the through holes and a cutter part connected to the cylindrical part, the end part of the cutter part is a circular cutting part, and the outer diameter of the cutter part is gradually increased along the direction of the adsorption cavity.
The thickness of absorbing the core is 2mm to 3mm, the aperture size of pressure hole is 1mm to 5 mm.
And (4) after the step (3), the absorption core body is further folded by a folding device, then hot-pressed and fixed to form flanges, and the pressing holes are located between the flanges.
Still be equipped with the adsorption tank in the frame, after the adsorption tank was located perforating device, step (3) back, the adsorption tank adsorbs the clout on absorbing core and the first live-rollers.
The pore diameter and/or the depth of the pressure holes on the absorption core body are/is gradually reduced from the middle to the periphery.
By adopting the technical scheme, the invention has the beneficial effects that:
according to the invention, the absorption core body is punched on the absorption core body through the punching device, the cutter cuts and punches holes on the absorption core body, the cut excess material is separated from the absorption core body, the excess material is left in the adsorption holes of the cutter, the adsorption device adsorbs the excess material into the adsorption cavity and then discharges the adsorption cavity, the excess material is prevented from remaining on the equipment and the absorption core body, the excess material is prevented from influencing the production environment, the excess material is prevented from causing the damage of the equipment, the excess material is prevented from remaining on the absorption core body to influence the quality of the absorption core body, thus the punching efficiency is improved, and the quality of the absorption core body is improved; the tensioning force of the absorption core body is detected through the adjusting device, and the speeds of the driving device, the cutting roller device and the punching device are controlled, so that the tensioning force and the conveying speed of the absorption core body are adjusted, the too large or too small tensioning force in the transportation process of the absorption core body is prevented, the too large or too small pressing hole after punching is prevented, the punching efficiency is improved, and the product quality is improved; furthermore, the clear roller is provided with soft convex strips, the soft convex strips have buffering performance, the soft convex strips can be inserted into the adsorption holes, a small amount of excess materials clamped on the adsorption holes are inserted into the adsorption cavity, the influence of the excess materials clamped on the adsorption holes on the next punching is prevented, the end parts of the soft convex strips are provided with metal covers, the end parts of the soft convex strips are frequently in friction collision, the damage caused by the abrasion of the end parts of the soft convex strips is prevented, and the service life of the soft convex strips is prolonged; furthermore, the radius of the bottom surface of the soft convex strip is half of the minimum radius of the adsorption hole, and the soft convex strip is smaller, so that the friction between the soft convex strip and the adsorption hole can be reduced; furthermore, the aperture of the adsorption hole of the cutter is gradually increased along the direction of the adsorption cavity, so that the separation of the adsorption hole and the excess material is facilitated; furthermore, the cutter is detachably arranged on the through hole, the cutter can be replaced, maintenance and replacement are convenient, the outer diameter of the cutter part is gradually increased along the direction of the adsorption cavity, the strength of the cutter can be improved, and the service life of the cutter is prolonged; furthermore, flanges are arranged on two sides of the absorption core body to prevent the liquid on the absorption core body from leaking laterally; furthermore, the adsorption box can clean a small amount of excess materials on the absorption core body and excess materials on equipment; furthermore, the aperture and/or depth of the pressure holes on the absorption core body are/is gradually reduced from the middle to the periphery, and the absorption capacity of the middle part of the absorption core body is stronger.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of the punching apparatus;
FIG. 3 is a cross-sectional view of the cutter;
FIG. 4 is a schematic view of the construction of the stripper roll and the first rotatable roll;
FIG. 5 is a schematic view of a structure of a flexible rib;
FIG. 6 is a schematic view of the structure of the adjustment device;
figure 7 is a schematic view of the structure of an absorbent core.
Detailed Description
The invention will now be further described with reference to the accompanying drawings and detailed description.
Referring to fig. 1 to 7, the present embodiment provides a process for perforating and adsorbing a soft foam core of a liquid sanitary napkin, comprising the following steps:
(1) manufacturing the absorbent core 10:
the driving device 7 drives the high molecular carrier material to be conveyed, and the blanking device 2 blanks the high molecular material onto the high molecular carrier material to form the absorption core body 10;
(2) pressing of the absorbent core 10:
the formed absorption core body 10 is clamped and conveyed between a first pressing roller and a second pressing roller of the pressing device 3, and the absorption core body 10 is pressed into a flat state;
(3) perforation of the absorbent core 10:
the absorption core body 10 is clamped and conveyed between a first rotating roller 41 and a second rotating roller 42, a cutter 413 of a punching area 412 on the first rotating roller 41 cuts and punches holes on the absorption core body 10 to form a plurality of pressure holes 101 on the absorption core body 10, the separated residual materials after cutting and punching enter an adsorption hole 4130, an adsorption device 45 provides negative pressure for an adsorption cavity 410, the residual materials are adsorbed to the adsorption cavity 410 from the adsorption hole 4130, and then the residual materials are discharged out of the adsorption cavity 410; the suction box 46 sucks the excess material on the absorbent core 10 and the first rotating roller 41, the absorbent core 10 passes through a folding device 5, the two sides of the absorbent core 10 are folded and then are hot-pressed and fixed into flanges 102, and the pressing holes 101 are located between the two flanges 102.
(4) Adjusting the conveying speed of the polymer carrier material:
in the conveying process of the absorption core 10, when the tension of the absorption core 10 is too large or small, the absorption core 10 pulls the lifting roller 63 to move, the displacement sensor 65 detects the position of the lifting roller 63 and detects displacement deviation, the displacement sensor 65 feeds the displacement deviation back to the system, the system controls and adjusts the speed of the driving device 7, the conveying speed of the high polymer carrier material is reduced or increased, and meanwhile, the speed of the cutting roller device 8 is reduced or increased;
(5) the absorbent core 10 is cut into pieces:
the absorbent core 10 is cut into a sheet-like structure by the cutting roller device 8.
The production device of the absorption core body 10 comprises a frame 1, a blanking device 2, a pressing device 3, a punching device 4, a folding device 5, an adjusting device 6, a driving device 7 and a cutting roller device 8 which are sequentially arranged on the frame 1, wherein the punching device 4 comprises a first rotating roller 41 and a second rotating roller 42 which are rotatably arranged on the frame 1 correspondingly, and a first driving mechanism 43 for driving and driving the first rotating roller 41 and the second rotating roller 42 to rotate, an adsorption cavity 410 is arranged in the middle of the first rotating roller 41, one end of the first rotating roller 41 is connected with a rotating joint 44, the rotating joint 44 is connected with an adsorption device 45, the adsorption cavity 410 is communicated with the adsorption device 45 through the rotating joint 44, a punching area 412 is arranged on the first rotating roller 41, a plurality of cutters 413 are arranged on the punching area 412, the middle of each cutter 413 is a hollow adsorption hole 4130, the aperture of the adsorption hole 4130 of each cutter 413 is gradually increased along the direction of the adsorption cavity 410, the adsorption cavity 410 is communicated with the adsorption hole 4130, the first rotating roller 41 is provided with a plurality of through holes, the cutter 413 is detachably arranged on the through holes, the cutter 413 comprises a cylindrical part 4131 fixed on the through holes and a cutter part 4132 connected with the cylindrical part 4131, the end part of the cutter part 4132 is a circular cutting part, and the outer diameter of the cutter part 4132 is gradually increased along the direction of the adsorption cavity 410; the adjusting device 6 comprises a slide rail 61 arranged on the frame 1, a lifting seat 62 arranged on the slide rail 61 in a liftable manner, a lifting roller 63 rotatably arranged on the lifting seat 62, an elastic mechanism 64 connected to the slide rail 61 and the lifting seat 62, a displacement sensor 65 arranged on the frame 1, and two positioning rollers 66 respectively rotatably arranged on the frame 1, wherein the lifting roller 63 and the positioning rollers 66 form a triangle. The frame 1 is rotatably provided with a clearing device 9, the clearing device 9 comprises a clearing roller 91 rotatably arranged on the frame 1 and a second driving mechanism 92 for driving and driving the clearing roller 91, the clearing roller 91 is provided with a plurality of soft convex strips 93, the soft convex strips 93 can be inserted into corresponding adsorption holes 4130, the soft convex strips 93 are in a conical structure, the end parts of the soft convex strips 93 are provided with metal covers 930, and the radius of the bottom surfaces of the soft convex strips 93 is one half of the minimum radius of the adsorption holes 4130. Referring to fig. 1 and 4, the cleaning roller 91 is located at the side of the first rotating roller 41.
The system set speed is V0, the adjusted actual speed is V1, the displacement deviation is h, V1 is V0+ mh, m is a constant set by the system, and the value of m is related to the elastic mechanism 64, the thickness of the absorbent core 10, the size of V0, and the like, and is set as the case may be.
As shown in fig. 7, the apertures and depths of the compressed holes 101 in the absorbent core 10 are gradually reduced from the middle to the periphery, and all the compressed holes 101 may be set to have the same size, depending on the situation.
The blanking device 2, the pressing device 3, the folding device 5, the driving device 7 and the cutting roller device 8 are well-known devices and will not be described in detail herein.
The elastic mechanism 64 may be a spring or other elastic device, which is not described in detail herein.
The rotary joint 44 is a well-known component and will not be described in detail.
The displacement sensor 65, the adsorption device 45, and the adsorption tank 46 are well known devices, and will not be described herein.
The thickness of the absorbent core 10 is usually 2mm to 3mm, and the pore size of the compressed pores 101 is usually 1mm to 5mm, and other values may be used, depending on the case.
The invention can also be provided without the clearing device 9, and is particularly arranged according to the situation.
The flexible protrusions 93 may be made of rubber, and the metal cover 930 may not be disposed at the end of the flexible protrusions 93, which is a known material and will not be described herein.
The polymer carrier material is a known material and will not be described herein.
The first driving mechanism 43 and the second driving mechanism 92 may be motors, which are well known devices and will not be described herein.
While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (10)

1. The punching and adsorbing process of the soft foam core body of the liquid sanitary towel is characterized in that: the method comprises the following steps:
(1) manufacturing an absorption core body:
the driving device drives the high molecular carrier material to be conveyed, and the blanking device blanks the high molecular material onto the high molecular carrier material to form an absorption core body;
(2) and (3) pressing the absorption core body:
the formed absorption core body is clamped and conveyed between a first pressing roller and a second pressing roller of a pressing device, and the absorption core body is pressed into a flat state;
(3) punching of the absorption core:
the absorption core body is clamped and conveyed between the first rotating roller and the second rotating roller, a cutter in a punching area on the first rotating roller cuts and punches holes on the absorption core body, a plurality of pressure holes are formed on the absorption core body, the separated excess materials after cutting and punching enter the adsorption holes, the adsorption device provides negative pressure for the adsorption cavity, the excess materials are adsorbed to the adsorption cavity from the adsorption holes, and then the excess materials are discharged out of the adsorption cavity;
(4) adjusting the conveying speed of the polymer carrier material:
in the conveying process of the absorption core body, when the tension of the absorption core body is too large or small, the absorption core body pulls the lifting roller to move, the displacement sensor detects the position of the lifting roller and detects displacement deviation, the displacement sensor feeds the displacement deviation back to the system, the system controls and adjusts the speed of the driving device, the conveying speed of the high polymer carrier material is reduced or improved, and meanwhile, the speed of the cutting roller device is reduced or improved;
(5) cutting the absorbent core into pieces:
cutting the absorbent core into a sheet-like structure by means of a cutting roller device;
the production device of the absorption core body comprises a rack, a blanking device, a pressing device, a punching device, an adjusting device, a driving device and a cutting roller device which are sequentially arranged on the rack, wherein the punching device comprises a first rotating roller and a second rotating roller which are rotatably and correspondingly arranged on the rack, and a first driving mechanism for driving the first rotating roller and the second rotating roller to rotate; the adjusting device comprises a slide rail arranged on the rack, a lifting seat arranged on the slide rail in a liftable manner, a lifting roller rotatably arranged on the lifting seat, an elastic mechanism connected with the slide rail and the lifting seat, a displacement sensor arranged on the rack, and two positioning rollers respectively rotatably arranged on the rack, wherein the lifting roller and the positioning rollers form a triangle.
2. The punching and adsorbing process for the soft foam core of the liquid sanitary towel as claimed in claim 1, wherein the punching and adsorbing process comprises the following steps: the frame is rotatably provided with a clearing device, the clearing device comprises a clearing roller and a second driving mechanism, the clearing roller and the second driving mechanism are rotatably arranged on the frame and drive the clearing roller in a transmission mode, a plurality of soft raised lines are arranged on the clearing roller, and the soft raised lines can be inserted into corresponding adsorption holes.
3. The punching and adsorbing process of the soft foam core of the liquid sanitary towel as claimed in claim 2, wherein the punching and adsorbing process comprises the following steps: the flexible convex strips are of conical structures, and metal covers are arranged at the end parts of the flexible convex strips.
4. The punching and adsorbing process of the soft foam core of the liquid sanitary towel as claimed in claim 3, wherein the punching and adsorbing process comprises the following steps: the radius of the bottom surface of the soft raised line is half of the minimum radius of the adsorption hole.
5. The punching and adsorbing process for the soft foam core of the liquid sanitary towel as claimed in claim 1, wherein the punching and adsorbing process comprises the following steps: the aperture of the adsorption hole of the cutter is gradually increased along the direction of the adsorption cavity.
6. The punching and adsorbing process for the soft foam core of the liquid sanitary towel as claimed in claim 1, wherein the punching and adsorbing process comprises the following steps: the first rotating roller is provided with a plurality of through holes, the cutter is detachably arranged on the through holes, the cutter comprises a cylindrical part fixed on the through holes and a cutter part connected to the cylindrical part, the end part of the cutter part is a circular cutting part, and the outer diameter of the cutter part is gradually increased along the direction of the adsorption cavity.
7. The punching and adsorbing process for the soft foam core of the liquid sanitary towel as claimed in claim 1, wherein the punching and adsorbing process comprises the following steps: the thickness of absorbing the core is 2mm to 3mm, the aperture size of pressure hole is 1mm to 5 mm.
8. The punching and adsorbing process for the soft foam core of the liquid sanitary towel as claimed in claim 1, wherein the punching and adsorbing process comprises the following steps: and (4) after the step (3), the absorption core body is further folded by a folding device, then hot-pressed and fixed to form flanges, and the pressing holes are located between the flanges.
9. The punching and adsorbing process for the soft foam core of the liquid sanitary towel as claimed in claim 1, wherein the punching and adsorbing process comprises the following steps: still be equipped with the adsorption tank in the frame, after the adsorption tank was located perforating device, step (3) back, the adsorption tank adsorbs the clout on absorbing core and the first live-rollers.
10. The perforated absorption process for the soft foam core of a liquid sanitary napkin according to any one of claims 1 to 9, wherein: the pore diameter and/or the depth of the pressure holes on the absorption core body are/is gradually reduced from the middle to the periphery.
CN202110584771.XA 2021-05-27 2021-05-27 Punching and adsorbing process for soft foam core of liquid sanitary towel Active CN113367893B (en)

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CN114159233A (en) * 2021-12-31 2022-03-11 福建恒安集团有限公司 Production process of high-strength core
CN114305870A (en) * 2021-12-29 2022-04-12 福建恒安集团有限公司 Production method of absorption core

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CN103231417A (en) * 2013-05-08 2013-08-07 王振明 Rolling forming die for disposable hygiene product
CN103465307A (en) * 2013-09-26 2013-12-25 泉州市嘉华卫生用品有限公司 Cutter roll
CN104118011A (en) * 2014-07-24 2014-10-29 王振明 Roll forming die for disposable sanitary products
CN209717871U (en) * 2018-12-17 2019-12-03 金湖三木机械制造实业有限公司 Perforating device is used in a kind of production of diaper
CN210308163U (en) * 2019-07-05 2020-04-14 枣庄惠风能源科技有限公司 Nuclear track membrane women sanitary towel core layer perforating device
CN211095325U (en) * 2019-08-29 2020-07-28 武汉市川田卫生用品有限公司 Sanitary towel polymer absorption core and special punching equipment thereof
CN112545765A (en) * 2020-12-25 2021-03-26 广东茵茵股份有限公司 Preparation method of composite core

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114305870A (en) * 2021-12-29 2022-04-12 福建恒安集团有限公司 Production method of absorption core
CN114305870B (en) * 2021-12-29 2022-09-09 福建恒安集团有限公司 Production method of absorption core
CN114159233A (en) * 2021-12-31 2022-03-11 福建恒安集团有限公司 Production process of high-strength core
CN114159233B (en) * 2021-12-31 2022-09-09 福建恒安集团有限公司 Production process of high-strength core

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